Although there is no universal definition for all purposes, generally, your domicile is where you intend to permanently remain. (7) Domicile--A person's principal, permanent residence to which the person intends to return after any temporary absence.A domicile is a place where a person has the intent of making their permanent home. Domicile is the place a person intends to establish a permanent home. Affidavit of Domicile is a form in our office for people to sign before a notary claiming Texas to be your home. We file the form with the court. According to Texas law, residency involves two key factors: physical presence in the state and a clear intent to remain in Texas.